Regulator



FIG. 1 is a front view of a regulator.

FIG. 2 is a first side view of the regulator.

FIG. 3 is a rear view of the regulator.

FIG. 4 is a second side view of the regulator.

FIG. 5 is a top view of the regulator.

FIG. 6 is a bottom view of the regulator.

FIG. 7 is a first perspective view of the regulator.

FIG. 8 is a second perspective view of the regulator; and,

FIG. 9 is a third perspective view of the regulator.

The broken lines in the drawings illustrate the unclaimed environment of the regulator and form no part of the claimed design. 

CLAIM What is claimed is the original and ornamental design for a regulator, as shown and described. 